Environmental Science
The atmospheric greenhouse effect is produced mainly by the:

Absorption and re-emission of infrared radiation by the atmosphere
Absorption and re-emission of visible light by clouds
Absorption and re-emission of visible light by the atmosphere
Absorption and re-emission of ultraviolet radiation by the atmosphere
Absorption and re-emission of visible light by the ground

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Environmental Science
The wind-chill factor:

Tells farmers when to protect crops from a freeze
Relates body heat loss with wind to an equivalent temperature with no wind
Takes into account humidity and air temperature in expressing the current air temperature
Determines how low the air temperature will be on any given day
Indicates the temperature at which water freezes on exposed skin

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